]*>","")" /> Analysis on Plant Diversity in Different Degraded Stages of Seriphidium transillense Desert Grassland
Xinjiang Agricultural Sciences

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Analysis on Plant Diversity in Different Degraded Stages of Seriphidium transillense Desert Grassland

LIU Hong-lai;ZHU Jin-zhong;JIN Gui-li;WU Yong-mei;FAN Yan-min;ZHENG Wei   

  • Received:2007-05-25 Revised:2007-05-25 Online:2007-05-25 Published:2007-05-25

伊犁绢蒿荒漠不同退化阶段草地植物多样性分析

刘洪来;朱进忠;靳瑰丽;吴咏梅;范艳敏;郑伟   

  1. 新疆农业大学草业工程学院/新疆草地资源与生态重点实验室,乌鲁木齐,830052





摘要： 对伊犁绢蒿荒漠不同退化阶段草地植物多样性变化的研究结果表明:中度退化维持较高的多样性,形成中度退化＞重度退化＞极度退化＞＜未退化的规律.群落物种丰富度、均匀度与多样性的相关分析表明,均匀度对多样性具有更大的贡献率,而丰富度呈下降趋势.β多样性的分析结果表明,随着退化演替的加剧,相邻退化梯度之间物种替代速率减慢.